Gaming machine



FIG. 1 is a front and left side perspective view of a gaming machine showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof, the right side being a mirror image;

FIG. 4 is a rear view thereof; and,

FIG. 5 is a top plan view thereof. 

The ornamental design for a gaming machine, as shown and described. 